ul,
li,
h2 {
  padding: 0;
  margin: 0;
}

*{
    box-sizing: b;
}

ul {
  list-style: none;
}
.container {
  width: 200px;
  margin: 0 auto;
}

.container .menuitem {
  overflow: hidden;
  height: 40px;
}
.container .menuitem .submenucontainer {
  background-color: antiquewhite;
}
.container .menuitem h2 {
  background-color: lightblue;
  font-size: 1em;
  padding: 0 20px;
  height: 40px;
  line-height: 40px;
  margin-top: 15px;
}

.container .menuitem .subitem {
  height: 30px;
  line-height: 30px;
  font-size: 0.6em;
  padding: 0 30px;
}
